Introduction
GXUS series ultrasonic sensors cover a variety of application scenarios in industrial automation. Whether it comes to material handling, mobile equipment, food and beverage, fill level measurement or detection tasks at gates and doorways: they offer solutions for the most different application requirements.
Sensors with digital switching outputs or an analog 4-20 mA interface are commonplace. Most sensors can be taught-in or parameterized via an interface and therefore adapted to the respective application.
Features
High resolution
Short response time
Small blind zone
Various outputs available: switch, analog or RS232/485 output
Specification
GXUS-M18
GXUS-M30
| Sensing range | 70 ... 1000 mm; 120...2000mm; 200...3000mm |
| Standard target plate | 100 mm x 100 mm |
| Transducer frequency | approx.255 kHz |
| Response delay | approx.125 ms |
| LED blue | Power on |
| LED yellow | solid: object in the evaluation range |
| flashing: program function, object detected |
| LED red | solid: Error |
| flashing: program function, no object detected |
| Operating voltage UB | 10 ... 30 V DC , ripple 10 %SS |
| No-load supply current I0 | ≤ 45 mA |
| Output type | 1 analog output 0-10V or 4…20mA. |
| Resolution | 0.11 mm at max. sensing range |
| Deviation of the characteristic curve | ± 1 % of full-scale value |
| Repeat accuracy | ± 0.1 % of full-scale value |
| Load impedance | > 1kOhm |
| Temperature influence | ± 1.5 % of full-scale value |
| Ambient temperature | -25 ... 70 °C (-13 ... 158 °F) |
| Storage temperature | -40 ... 85 °C (-40 ... 185 °F) |
| Connection type | Device connector M12 x 1 , 4-pin |
| Protection degree | IP65 (IP66 selectable) |
| Material | Housing: nickel plated brass or stainless steel or plastic |
| Transducer: epoxy resin/hollow glass sphere mixture; polyurethane foam |
Adjusting the evaluation limits
The ultrasonic sensor features an analogue output with two teachable evaluation limits. These are set by applying the supply voltage -UB or +UB to the TEACH-IN input. The supply voltage must be applied to the TEACH-IN input for at least 1 s. LEDs indicate whether the sensor has recognized the target during the TEACH-IN procedure. The lower evaluation limit A1 is taught with -UB, A2 with +UB.
Two different output functions can be set:
1. Analogue value increases with rising distance to object (rising ramp)
2. Analogue value falls with rising distance to object (falling ramp)
Evaluation limits may only be specified within the first 5 minutes after Power on.
To modify the evaluation limits later, the user may specify the desired values only after a new Power On.
TEACH-IN rising ramp (A2 > A1)
- Position object at lower evaluation limit
- TEACH-IN lower limit A1 with - UB
- Position object at upper evaluation limit
- TEACH-IN upper limit A2 with + UB
TEACH-IN falling ramp (A1 > A2):
- Position object at lower evaluation limit
- TEACH-IN lower limit A2 with + UB
- Position object at upper evaluation limit
- TEACH-IN upper limit A1 with - UB
Default setting
A1: unusable area
A2: nominal sensing range
Mode of operation: rising ramp
LED Displays
| Displays in dependence on operating mode | Red LED | Yellow LED |
| TEACH-IN evaluation limit Object detected No object detected Object uncertain (TEACH-IN invalid) | off flashes on | flashes off off |
| Normal mode (evaluation range) | off | on |
| Fault | on | previous state |
GXUS-M56
| Distance range | 50...500mm; 100...1000mm; 200...3000mm; 300...5000mm; 500...6000mm |
| Resolution | 3mm or 0.1%(which is bigger) |
| Response time | < 200ms |
| Display | LED |
| Emission angle | 20° |
| Analog output | 4~20mA/500Ω LOADING |
| Switch output | RELAY DC 30V/ 5A , PNP/NPN(OPTIONAL) |
| RS232/485 | MODBUS protocol or customized protocol (optional) |
| Power supply | Standard 24VDC (±15%) |
| Ambient temperature | -20~+60℃ |
| Protection Class | IP65 (IP66 is selectable) |
| Installation | M56*2 |
Related ultrasonic sensors
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